Paper clip



FIG. 1 is a front elevation view of a first embodiment of a paper clip showing my new design;

FIG. 2 is a perspective view thereof, showing my new design from the top, front and side; and,

FIG. 3 is a perspective view thereof as seen from the bottom, rear and side opposite of the side shown in FIG. 2.

It is understood that the cross-sectional shape of the clip is uniformly circular, as best seen in FIG. 2, throughout the claimed design. 

The ornamental design for a paper clip, as shown and described. 